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Ingredients of Severe Blizzard
(1)Extremely cold air
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originates on the plains of west-central Canda
(2) Strong wind
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provided by extratropical cyclone
(3)Heavy snow
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provided by extratropical cyclone
q Most of these cyclones develop over two
locations east of the Rockies:
Eastern Colorado and the plains of Alberta.
qEither Colorado cyclones
or Alberta Clippers can lead
to blizzard conditions.
qThe worst blizzards
occur with Colorado cyclones because
of greater snowfall and stronger winds.